1987045-87-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1987045-87-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,9,8,7,0,4 and 5 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1987045-87:
(9*1)+(8*9)+(7*8)+(6*7)+(5*0)+(4*4)+(3*5)+(2*8)+(1*7)=233
233 % 10 = 3
So 1987045-87-3 is a valid CAS Registry Number.